1. To describe the various approaches used for imaging-guided percutaneous biopsy of head and neck lesions.
2. To discuss the advantages, limitations, and risks associated with each technique.
3. To supplement the readers’ knowledge of the anatomy of the head and neck region relevant to safe access route planning.
ABSTRACT
Deep-seated head and neck lesions, traditionally evaluated by surgical means, are now accessible via less invasive imaging-guided percutaneous biopsy techniques. Major vessels, trachea, and osseous structures like the maxilla, mandible and the vertebrae often preclude a direct access to these lesions. Understanding the anatomy of this complex region is critical in planning a safe and technically successful biopsy procedure. In addition to a discussion of pertinent anatomy, this educational exhibit will explore various trajectories routinely employed for head and neck biopsies, including the submastoid, subzygomatic, retromandibular, retromaxillary, transoral, and direct approaches. The limitations and risks associated with each approach will also be discussed.
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